Patents by Inventor Robert P. Arentsen

Robert P. Arentsen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Isolation valve with rotatable flange
    Publication number: 20040226617
    Abstract: A valve assembly, including a quarter turn ball valve, an insert carried by the valve housing, and a flange, rotatably carried on the insert. The flange is used to secure the valve assembly in a fluid system and the assembly and disassembly of the valve assembly is facilitated by the adjustable position of the flange.
    Type: Application
    Filed: November 25, 2003
    Publication date: November 18, 2004
    Inventors: Robert P. Arentsen, Chalard Bunluaphob, Prasert Buranatum, Daniel E. Schaffer, Lisa E. Hathy-Riles